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Nitrogen Cycle - Definition, Steps and Importance - Biology …
https://biologydictionary.net/nitrogen-cycle/
WEBJan 15, 2021 · Definition. The nitrogen cycle refers to the cycle of nitrogen atoms through the living and non-living systems of Earth. The nitrogen cycle is vital for life on Earth. Through the cycle, atmospheric nitrogen is converted to a form which plants can incorporate into new proteins. Nitrogen Cycle Steps. Rhizobia nodules on Vigna unguiculata. 1.
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The nitrogen cycle (article) | Ecology | Khan Academy
https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-nitrogen-cycle
WEBJun 9, 2016 · In general, the nitrogen cycle has five steps: Nitrogen fixation (N2 to NH3/ NH4+ or NO3-) Nitrification (NH3 to NO3-) Assimilation (Incorporation of NH3 and NO3- into biological tissues) Ammonification (organic nitrogen compounds to NH3) Denitrification(NO3- to …
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Nitrogen cycle - Wikipedia
https://en.wikipedia.org/wiki/Nitrogen_cycle
WEBThe nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.
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Nitrogen cycle | Definition & Steps | Britannica
https://www.britannica.com/science/nitrogen-cycle
WEBNitrogen cycle, circulation of nitrogen in various forms through nature. Nitrogen, a component of proteins and nucleic acids, is essential to life on Earth. Although 78 percent of the atmosphere is nitrogen gas, this gas is unusable by most organisms until it is made available by a series of microbial transformations.
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Nitrogen Cycle - Science Notes and Projects
https://sciencenotes.org/nitrogen-cycle/
WEBAug 5, 2023 · Nitrogen Cycle. The nitrogen cycle is a biogeochemical cycle that converts nitrogen into different forms in atmospheric, terrestrial, and marine ecosystems. The nitrogen cycle is a biogeochemical cycle that converts nitrogen into various forms throughout the ecosystem. Nitrogen is an essential element for life that organisms use in …
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Nitrogen Cycle Explained - Definition, Stages and Importance
https://byjus.com/biology/nitrogen-cycle/
WEBNitrogen Cycle is a biogeochemical process through which nitrogen is converted into many forms, consecutively passing from the atmosphere to the soil to organism and back into the atmosphere. It involves several processes such as nitrogen fixation, nitrification, denitrification, decay and putrefaction.
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20.4: The Nitrogen Cycle - Biology LibreTexts
https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/20%3A_Biogeochemical_Cycles/20.04%3A__The_Nitrogen_Cycle
WEBMar 21, 2024 · “Nitrogen cycle” by Johann Dréo & Raeky is licensed under CC BY-SA 3.0. Three processes are responsible for most of the nitrogen fixation in the biosphere. The first is atmospheric fixation by lightning. The enormous energy of lightning breaks nitrogen molecules and enables their atoms to combine with oxygen in the air forming nitrogen oxides.
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The Nitrogen Cycle: Processes, Players, and Human Impact
https://www.nature.com/scitable/knowledge/library/the-nitrogen-cycle-processes-players-and-human-15644632/
WEBThe process of converting N 2 into biologically available nitrogen is called nitrogen fixation. N 2 gas is a very stable compound due to the strength of the triple bond between the nitrogen...
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The nitrogen cycle (article) | Khan Academy
https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:the-living-world-ecosystems-and-biodiversity/x0b0e430a38ebd23f:biogeochemical-cycles/a/ap-es-the-nitrogen-cycle
WEBThe nitrogen cycle is the cyclic movement of nitrogen in different chemical forms between living organisms and the environment. The steps of the nitrogen cycle are described below. Nitrogen fixation: During this step, atmospheric nitrogen gas is fixed, or converted into a form that can be used by plants and animals.
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The nitrogen cycle — Science Learning Hub
https://www.sciencelearn.org.nz/resources/960-the-nitrogen-cycle
WEBThe nitrogen cycle — Science Learning Hub. Article. The nitrogen cycle. Resource. Add to collection. Nitrogen is the most abundant element in our planet’s atmosphere. Approximately 78% of the atmosphere is made up of nitrogen gas (N 2). Nitrogen is a crucially important component for all life.
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